Crop protection

Biotalys and Chrysal announce collaboration

Evaluating the potential of biofungicide in ornamental crops

Biotalys, a Food and Crop protection company developing a new generation of protein-based biocontrols, announces a collaboration with Chrysal to protect flowers against fungal…

Calcium application method impacts botrytis blight severity on petunia flowers

Two application methods of calcium (Ca), fertigation and spray, were investigated regarding their effects on Botrytis blight on petunia ( Petunia × hybrida ) flowers. Plants were grown for 6 weeks with three nutrient solutions consisting of 0, 100, or 200 mg·L ⁻¹ Ca and weekly calcium chloride (CaCl 2 ) sprays…

Destructive swarm of desert locusts entering Kenya

After destroying horticultural lands in Ethiopia and Somalia, a destructive swarm of desert locusts have moved south to Kenya. Last week, they entered the country, and they're making their way south. Actions are being taken to control the situation, but the threat is not over, explains Martin Dyer, owner…

European Union will no longer permit sales of chlorpyrifos

The European Union has confirmed it will no longer permit sales of the widely used actives in insecticides chlorpyrifos and chlorpyrifos-methyl; after 31/01/2020. The move was…

"Native plants can flourish after bushfire, but there’s only so much they can take"

In a fire-blackened landscape, signs of life are everywhere. A riot of red and green leaves erupt from an otherwise dead-looking tree trunk, and the beginnings of wildflowers and grasses peek from the crunchy charcoal below. Much Australian flora has evolved to cope with fire, recovering by re-sprouting…

"Successful test results and proven technology against fungi"

Micothon has developed this chemical free application for combating fungi like mildew and botrytis in greenhouse crops. Multiple installations have been successfully implemented in 2019, thanks to a promising trial with the machine in the Dutch Wageningen University greenhouse, in which scientific…

How pest and disease mapping makes a difference to yield and cost control

Dr Lisbeth Riis, founder and CEO at Scarab Solutions, has explained how the cut flower industry can significantly benefit by replicating the principles of digital mapping of pests and diseases to the plants in their greenhouses. Pest and disease mapping in any environment has far-reaching effects. Thirty…

Are invasive patterns of non-native insects related to woody plants differing between Europe and China?

Forests are increasingly threatened worldwide by the establishment of non-native species arriving from other continents with globalization of trade and international travels. Researchers compiled comprehensive lists of non-native insects associated to woody plants in Europe and China to compare their…

New Zealand: Myrtle Rust and Kauri Dieback Strategic Science Advisory Groups to merge

The Myrtle Rust Strategic Science Advisory Group and the Kauri Dieback SSAG agreed to merge at a recent combined meeting to discuss the future of the two groups. The decision…

New broad-spectrum bactericide/fungicide protects wide variety of crops

BioSafe Systems released OxiDate 5.0, a peroxyacetic acid (PAA) based, broad spectrum liquid bactericide/fungicide registered to treat and control plant pathogens on a wide variety of crops. According to the company, OxiDate 5.0 ensures an increased ROI by delivering dependable results at a competitive…

UK: Dame Helen Mirren voices animation warning of ‘devastating’ plant disease

Dame Helen Mirren is backing efforts to keep deadly plant disease Xylella out of the UK by voicing an animation warning of the risks it poses. The bacterium Xylella fastidiosa can infect more than 500 species of plant, including garden favourites such as lavender, oleander, rosemary and flowering cherry.…

European Commission bans thiacloprid

The European Commission decided not to renew the approval of a neonicotinoid called thiacloprid, following scientific advice by EFSA (the European Food Safety Authority) that…

Impacts of myrtle rust in New Zealand since its arrival in 2017

Myrtle rust, caused by Austropuccinia psidii, is an invasive fungal disease that affects plants in the myrtle family, the Myrtaceae. Of the almost 6,000 Myrtaceae species worldwide about 480 are currently recorded as hosts, but the host range is considered to be expanding. Myrtle rust originated in South…

New Zealand: New long-term monitoring form for myrtle rust

A long-term monitoring form for myrtle rust has been developed and is available on www.myrtlerust.org.nz for surveillance in New Zealand. The form is designed to be used by a wide variety of groups who have some level of knowledge of myrtle rust symptoms and who will be monitoring symptoms on specific…

Ralstonia eradicated in the Netherlands

Eradication is confirmed of the first finding of Ralstonia solanacearum (race 1) in the Netherlands at glasshouse companies producing ornamental Rosa plants for planting for cut flower production. The first finding was triggered following symptoms observed by the grower. The identity of R. solanacearum…

American serpentine leafminer: A threat to all of horticulture

The American serpentine leafminer (Liriomyza trifolii) is a small fly belonging to the family Agromyzidae, that infects plants from 29 plant families including many ornamental, vegetable and legume crops. Though not yet present in Australia, Liriomyza trifolii poses a significant threat to our…

WSU scientists find a slate of unexpected diseases in peony

Farmers in Washington, Alaska, Oregon, and other states grow the peony for a thriving domestic market, but these growers are often stymied when diseases strike their crops. Instead of stunning blooms, they’re left with wilted, sick plants and fewer flowers to sell. Often, they’re not sure exactly what is…

"As a prevention measure against Pythium, we are introducing Asperello in phalaenopsis"

Microflor opts for biological alternatives

Based in Lochristi, Belgium, Microflor is increasingly choosing biological products to protect its young phalaenopsis plants. To prevent the fungal disease Pythium, the breeding and propagation company uses Asperello T34 Biocontrol. Arne Steelandt, Quality and R&D Coordinator at Microflor, shares his…

Luring pests with LED lamps

The thrips is a pest insect dreaded by horticulturalists. Rob van Tolhas designed a trap for catching the insects using LED light. Butwhat light composition are they most attracted too? It turned outthat Dutch and German thrips have different ideas about that. In the giant greenhouse at the chrysanthemum nursery G&C Flowers in…

Integrating pesticides with biological control agents: Can it be done?

Raymond Cloyd, Kansas State University, presented Integrating Pesticides with Biological Control Agents: Can It Be Done at the Great Lakes Expo in Grand Rapids. More than 100 attendees listened to the talk about the controversial issue of using pesticides in conjunction with biological control agents, such…

Reducing water and pesticide movement in nursery production

Ornamental nurseries produce a large number of plants in a concentrated area where high inputs of water, nutrients, and pesticides are used. Nursery production further…

The rugose virus threat – Will it affect your spring crops?

If you are a Canadian ornamental grower that also grows tomato liners as part of your spring crop selection, or if you grow ornamental peppers, here is what you need to know regarding Rugose symptoms, prevention and more importantly, regulations. Although it does not pose a food safety risk, Rugose…

Beneficial Insectary introduces newest IPM Specialist

Erik van der Sluys received a degree in Ecological Systems and minor in Biology in 2014 from Seattle University. Since then, he has worked as a Farm Manager for Seattle University, a Grower for TKO Reserve, and an IPM Technician for Iwasaki Brothers INC using BCA releases on a wide variety of crops. He…

Kenya: Rose exports at risk due to papaya bug

Kenya Plant Health Inspectorate Service (Kephis) said the mealybug, which has so far devastated papaya in the coastal region, poses a serious threat to roses and vegetables. Kephis managing director Esther Kimani called for quick intervention to tame the spread, warning that failure to do so could…

What the new Plant Health Regulations mean for British businesses

With just days to go until the new Plant Health Regulations (PHR) come into force, DEFRA reminds business of actions that need to be taken to continue to trade from 14th December 2019. What is the new Plant Health Regulation (PHR)?The PHR is part of a wider set of changes which are being introduced…

February 4, Aurora

US (OR): HRI & OAN team up to present boxwood health workshop

The Oregon Association of Nurseries is teaming up with the Horticultural Research Institute to bring you a full day of seminars with experts from around the nation discussing boxwood blight best management practices. Designed to educate growers, each session will provide the attendees with the latest…

"Asperello proves good fit in existing IPM program"

Rainbow Greenhouses located in Chilliwack, British Columbia (BC), Canada, is a large-scale wholesale producer and distributor of a range of indoor, outdoor and seasonal plants. The company operates from two large facilities in BC and another facility in Southern Alberta totaling some 17 hectares. While…

A solution for clean water in the flower bulb sector

The Dutch flower bulb sector is facing a number of challenges, including the quality of the wash water used. When flower bulbs are harvested, a large amount of soil is still attached. When this soil is washed off, fungi, viruses (such as acid and PIAMV) and pesticide residue get into the water. In this…

"Perfect potted hydrangeas for super-strict customers"

A shrinking number of pest control products and more stringent requirements are making crop protection across all crops that bit more complicated. Potted hydrangeas are no exception, and here too, biology is becoming increasingly significant. Dutch plant nursery P. van Geest is extremely satisfied with…

Nutrimite shown to also boost montdorensis

“In many ornamental crops establishing predators can prove highly challenging. In absence of the pest no predatory mites will establish, unless we keep reintroducing them onto the plants,” says Senior Biobest Researcher Juliette Pijnakker. Previous work with Swirskii-System showed that this problem could…

Students devise method to stop dissemination of Xylella fastidiosa

The Wageningen team has taken second place at the international student iGEM competition. The team, composed of 11 talented students from Wageningen, came up with a method to stop the dissemination of the dangerous plant pathogen, Xylella fastidiosa. This bacterium is a world-wide threat to over 350…

Boxwood Blight Update: 2019

Since its introduction to the United States is 2011, boxwood blight has been found in 26 states. Its affects have been seen from the Mid-Atlantic to the west coast in varying degrees. One of the biggest contributing factors to the prevalence and spread of this disease is climate. Boxwood blight requires specific environmental conditions which vary year to…

Increase in thrips infestation demands more R&D

Thrips have long been a major threat to crops, but worryingly, the number of species of thrips around the globe is on the increase, and they are spreading more easily. More worryingly though is the fact that there isn’t yet a biological solution to control every species in every crop. Koppert is,…

Responsible Industry for a Sound Environment appoints new President

The Governing Board of RISE (Responsible Industry for a Sound Environment) has appointed Megan Provost as the association’s new President. Provost brings a strong background…

Gowan acquires two new active ingredients from Bayer

Gowan Crop Protection Limited has entered into agreements with Bayer to acquire rights to the active ingredients Fenamidone and Pencycuron. The acquisition includes product…

Using pathogen-specific viruses to control pathogen outbreaks

Precision medicine for plants

Researchers from the Utrecht University, in collaboration with colleagues at the University of York (UK) and the Nanjing Agricultural University (China) have developed a new technology to selectively destroy the pathogen that causes the devastating wilt disease without side effects on other beneficial microorganisms. Bacterial…

PRO-MIX Biofungicide + Mycorrhizae

Insect suppression in the root zone

Through years of research on active ingredients, Premier Tech has developed products with an optimal combination of Biofungicide (Bacillus pumilus) and Mycorrhizae (Glomus intraradices). PRO-MIX Biofungicide + Mycorrhizae is a line of growing media products that includes active ingredients protecting…

December Pest of the Month: Foliar nematode

Aphelenchoides fragariae is a foliar nematode which is widely distributed through the tropical and temperate zones around the world and is the primary target of quarantine checks for imported strawberry material throughout Asia, Russia, and the USA. It is a frequent and economic pest of strawberries,…

Australian review of neonicotinoid insecticides (2020 – 2023)

The Australian Pesticides & Veterinary Medicines Authority (APVMA) announced via Gazette on the 19th of November 2019 that they will be reviewing registered neonicotinoid…

Working together to stop the False Codling Moth in Kenya

The False Codling Moth (FCM), also known as Thaumatotibia leucotreta, is a pest, which is present on more than 70 host plants crops like roses, citrus, peppers (Capsicum spp.), maize etc. making it a challenge to control it. FCM is an economically important pest for roses as it causes crop damage and is…

Woody plants with undesirable tendencies

A literature review out of Oklahoma State University focused on notable woody plants that can disrupt biodiversity by behaving as a weed or an invasive plant. Michael Schnelle to illuminates species important to the ornamentals industry and its consumers that, through natural geographical expansion,…

Regulator of plant immunity tagged

A new actor in the immune system of plants has been identified. KAUST scientists have identified the protein MAP4K4 is needed to mount proper defenses against environmental pathogens. The discovery helps explain the tight control of immune signaling in plants and reveals targets in a molecular pathway…

Bringing back extinct plants to life

Carlos Magdalena lives and breathes plants. He’s obsessed with them. But he also understands why many people aren’t. “Plants are not as obvious as animals,” he tells Mongabay. “You see an animal and it’s very easy for you to feel empathy for the animal because you’re an animal too. But you cannot see a…

EU regulations obstruct biological crop protection

Crop protection agents must become more sustainable. The EU and the Dutch government therefore accord preference to biological agents that work on the basis of micro-organisms and insects. However, new research conducted by Wageningen University & Research (WUR) and other institutes reveals that EU…

Effective and precise fertilizing - it's all on the label

Every grower knows that the key to healthy plants is in the soil through the nutrients. A plant requires sixteen different minerals and nutrients that can be obtained primarily through the soil – with a few coming from the air collected during natural plant processes. More times than not, the soil needs…

UK: Weevils nibble but they won't slow down on plant damage

Vine weevils are a recognisable garden visitor. You might consider them a pest for the damage they can do to plants. But for commercial growers, they are a very real problem. The ornamental plant industry is worth about £800m a year in the UK and weevils do £20m of damage a year. If a grower sends plants…

US: New rose rosette detection underway

One of the most important tenets of plant pathology is that the first step to effectively controlling a plant disease is identifying its cause. Otherwise, control measures could be ineffective, leading to further plant loss and wasted time and resources. This is especially true of rose rosette disease…

December 2, Christchurch

New Zealand: Myrtles for tomorrow – researchers to share updates

The Beyond Myrtle Rust Programme is sponsoring a myrtle rust symposium at this year’s New Zealand Ecological Society Conference in Christchurch. The symposium, titled “Myrtles for Tomorrow: Myrtle Rust Research Updates” will take place on Monday, 2 December 2019, the first day of the conference. BMR…

Heightened biosecurity measures set to protect Australia from Brown marmorated stink bug

The Brown marmorated stink bug (BMSB) poses a significant threat to the nursery industry, and tighter biosecurity measures must be taken to keep this pest out of Australia. This exotic pest has high establishment potential in Australia, and could cause major damage to agricultural crops, nursery stock…

Chinese delegation visits Dümmen Orange in De Lier

This week a Chinese delegation led by Mr. Ji Bingxuan, Vice Chairman of the Standing Committee of the National People’s Congress (NPC), visited the Netherlands. Dümmen Orange's board members Biense Visser and Hans van den Heuvel and Breeding Manager Chunting Lang welcomed Mr. Ji Bingxuan, his delegation…

Chinese scientists have recently studied the global invasion pattern of the Western Flower Thrip

Recently, Cash Crop and Pest Monitoring and Control Innovation Team, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, has systematically analyzed the global invasion pattern of the western flower thrips, on of the world's major agricultural pests. They also proposed an effective…

Testing Chrysal Arrive Alive with Jet Fresh Flower Growers

A brand-new technology is available from rose farm Jet Fresh Flower Growers, S.A. in Cotopaxi, Ecuador. This special product contains a reusable sponge that has been dipped in floral solution and wrapped around the stems, keeping them covered and hydrated during transit to reduce drying and maintain…

How to fight botrytis blight

Botrytis blight is a fungal disease also known as gray mold that infects a wide range of plants. It might cause huge loses on ornamental plants and vegetables. This fungal disease is caused by several species in the genus Botrytis. It affects buds, flowers and leaves of many plants. The extent and severity depends on weather…

Wim van der Meer, Koppert, about the hidden life

"First caterpillar damage is hardly noticeable"

In companies that deal in potted plants the pressure and damage caused by caterpillars increases, especially the Duponchelia fovealis cause a lot of damage. In recent years mainly digestive organic materials were being consumed by the caterpillars; now it is noticeable in many cultivations that vital…

Greenhouse sanitation: Preparing for a successful season

As the old saying goes, “an ounce of prevention is worth a pound of cure”. The cost of greenhouse sanitation is minimal in comparison to the costs associated with fixing problems, such as weeding and chemical pest control. The key to greenhouse sanitation is to have all employees trained to “think clean”…

Plants may be better than technology at mitigating air pollution

Adding plants and trees to the landscapes near factories and other pollution sources could reduce air pollution by an average of 27 percent, new research suggests. The study shows that plants – not technologies – may also be cheaper options for cleaning the air near a number of industrial sites,…

Gowan reaches agreement with California on Lorsban 75WG

Effective October 9, 2019, Gowan Company has entered into an agreement with the State of California regarding the California registration and sale of Gowan's product "Lorsban…

Research consortium wins biosecurity award for response to myrtle rust

The Myrtle Rust Research Consortium has won a top biosecurity award for its integrated and rapid research response to myrtle rust. The Consortium won the Bio-Protection Research Centre Science Award in the 2019 Biosecurity Awards, presented on 4 November. Members of the Consortium were on hand to…

UK: Cleaning agent helps optimise nematode performance

A new highly formulated cleaning agent for spray tanks. ‘SpOtless Nursery’ is ICL’s latest innovation for the UK and Eire aimed at optimising the performance of beneficial nematodes, such as Vine Weevil Seeka. “Especially effective at cleaning sticky formulations, SpOtless is ideal for cleaning out spray…

Genetic patterns associated with plant immunity

Genomic information from plants can be used to enhance agricultural production and improve food security in a sustainable manner. Through better understanding of the relationship between a plant's genetic information and the resulting behaviour, improved crops with better traits (resistance to diseases,…

Australian politician reports Facebook bouquet to biosecurity officials

Tasmanian politician Andrew Wilkie, the Member for Denison in the federal parliament, called in the state's Department of Primary Industries after a 'floral arrangement' arrived at his office in Hobart on Monday. The large display, described by the social media giant as "an Australian native wreath"…

US (HI): Provision requires USDA to study impacts of importing orchids

The U.S. Senate approved a package of four fiscal year (FY) 2020 appropriations bills on an 84-9 vote. In addition to supporting many needed investments for Hawaii, the legislation included a bipartisan amendment added on the Senate floor by Senator Mazie K. Hirono and Senator Marco Rubio (R-Fla.), which…

Again jeopardising exports

EU again hits Kenyan produce with ‘high chemical use’ label

The European Union has returned Kenya to the list of countries that use high levels of crop protection agents on their horticultural produce. This, again, poses a threat to exports, the country's major source of foreign exchange. The negative labelling comes just five months after Kenya was delisted in…

Biobest in partnership to serve Norwegian growers

Biobest Group NV of Belgium and VekstMiljø AS announced the acquisition of a majority stake in Norway’s Pollinering AS. Pollinering AS, founded in 2003 by Mr. Karl-Ivar Stangeland, is a local Norwegian producer of bumblebee hives for pollination. In the light of the decision of the Norwegian authorities…

EU hits Kenya’s produce with high chemical use label again

The European Union (EU) returned Kenya to the list of countries, which use high levels of pesticide in the horticultural produce, posing a threat to exports, the country's major source of foreign exchange. The negative labelling comes just five months after Kenya was delisted in January, having partially…


© FloralDaily.com 2020

Sign up for our daily Newsletter and stay up to date with all the latest news!

Subscribe I am already a subscriber